{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:2QXY6MB36EG4YXIL6SWVGKZIIH","short_pith_number":"pith:2QXY6MB3","canonical_record":{"source":{"id":"2401.11728","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2024-01-22T07:10:06Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"138dcc0fc8e8d80915dff741a8ff508ea7c26c0feaf3dd65b95079b5afdef025","abstract_canon_sha256":"7d892b0bdc813767c39cccd207476648a3abaeb573c0ceeb8c98607ddf0986f7"},"schema_version":"1.0"},"canonical_sha256":"d42f8f303bf10dcc5d0bf4ad532b2841fb5382ad03664dcdb2a03652ab627514","source":{"kind":"arxiv","id":"2401.11728","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.11728","created_at":"2026-07-05T09:11:24Z"},{"alias_kind":"arxiv_version","alias_value":"2401.11728v2","created_at":"2026-07-05T09:11:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.11728","created_at":"2026-07-05T09:11:24Z"},{"alias_kind":"pith_short_12","alias_value":"2QXY6MB36EG4","created_at":"2026-07-05T09:11:24Z"},{"alias_kind":"pith_short_16","alias_value":"2QXY6MB36EG4YXIL","created_at":"2026-07-05T09:11:24Z"},{"alias_kind":"pith_short_8","alias_value":"2QXY6MB3","created_at":"2026-07-05T09:11:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:2QXY6MB36EG4YXIL6SWVGKZIIH","target":"record","payload":{"canonical_record":{"source":{"id":"2401.11728","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2024-01-22T07:10:06Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"138dcc0fc8e8d80915dff741a8ff508ea7c26c0feaf3dd65b95079b5afdef025","abstract_canon_sha256":"7d892b0bdc813767c39cccd207476648a3abaeb573c0ceeb8c98607ddf0986f7"},"schema_version":"1.0"},"canonical_sha256":"d42f8f303bf10dcc5d0bf4ad532b2841fb5382ad03664dcdb2a03652ab627514","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:11:24.003349Z","signature_b64":"K9DgM16kmSbn9hGUYGhVAFYl3G/JajCsA2aK4LVay9N6IQz5BiTFmRdF13yHkqjlaEKVxbiaOPSi95N8QmkuBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d42f8f303bf10dcc5d0bf4ad532b2841fb5382ad03664dcdb2a03652ab627514","last_reissued_at":"2026-07-05T09:11:24.002706Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:11:24.002706Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.11728","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:11:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dcq9wq364aTB2vRZkAnNG4B78A+3NpCOWh09shUWhe9tBRkqDeUEcRseKlXQ6fvWQ5IU6xqCpNTfeF0JS7LXCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T06:10:24.349296Z"},"content_sha256":"6c6015f7e10a533da8a0fd89bea3f94c52b75747ed3c60ef0f7c707d2ab43df8","schema_version":"1.0","event_id":"sha256:6c6015f7e10a533da8a0fd89bea3f94c52b75747ed3c60ef0f7c707d2ab43df8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:2QXY6MB36EG4YXIL6SWVGKZIIH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Design and Construction of the Chips Water Cherenkov Neutrino Detector","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Giraudo, A. Habig, A. Holin, A. Karle, A. Kreymer, A. Perch, A. Radovic, A. Sousa, B. Alonso Rancurel, B. Bergmann, C. Ng, C. Wendt, D. A. Loving, D. Hanuska, D. van Eijk, D. Wendt, E. Catano-Mur, G. Augustoni, G. Kileff, G. M. LaFond, H. Hausner, I. Safa, J. A. B. Coelho, J. Edmondson, J. Huang, J. K. Nelson, J. P. Cesar, J. P. Lazar, J. R. Meier, J. Thomas, J. Tingey, J. Trokan-Tenorio, K. Lang, K. Liu, K. Rawlins, K. R. Jenkins, L. H. Whitehead, L. Rogers, M. Campbell, M. L. Marshak, M. M. Pf\\\"utzner, N. Angelides, N. Bertschinger, P. Bizouard, P. Dills, P. Kooijman, P. M\\'anek, P. Roedl, P. Vahle, Q. Fetterly, R. Castellan, R. J. Nichol, R. Li, R. Wade, S. Bash, S. B. Jones, S. Cao, S. Germani, S. Wolcott, T. Dodwell, T. Gilpin, T. J. Carroll, T. Yuan, V. Paolone, W. Miller, W. Y. Hernandez, Z. Garbal","submitted_at":"2024-01-22T07:10:06Z","abstract_excerpt":"CHIPS (CHerenkov detectors In mine PitS) was a prototype large-scale water Cherenkov detector located in northern Minnesota. The main aim of the R&D project was to demonstrate that construction costs of neutrino oscillation detectors could be reduced by at least an order of magnitude compared to other equivalent experiments. This article presents design features of the CHIPS detector along with details of the implementation and deployment of the prototype. While issues during and after the deployment of the detector prevented data taking, a number of key concepts and designs were successfully "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.11728","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2401.11728/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:11:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qgDRLsbC95VyWfPG3gKZeduuYvTnLWtDkrT1DkxVlBwTHrKSR40byHSqSAuwjcShHanY0Rtip9Gt9gBu6j9+AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T06:10:24.349905Z"},"content_sha256":"037f1c7fdd389465b835d19fa77a191ea3849a716cd79fedeb1c894fab07726b","schema_version":"1.0","event_id":"sha256:037f1c7fdd389465b835d19fa77a191ea3849a716cd79fedeb1c894fab07726b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2QXY6MB36EG4YXIL6SWVGKZIIH/bundle.json","state_url":"https://pith.science/pith/2QXY6MB36EG4YXIL6SWVGKZIIH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2QXY6MB36EG4YXIL6SWVGKZIIH/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-07T06:10:24Z","links":{"resolver":"https://pith.science/pith/2QXY6MB36EG4YXIL6SWVGKZIIH","bundle":"https://pith.science/pith/2QXY6MB36EG4YXIL6SWVGKZIIH/bundle.json","state":"https://pith.science/pith/2QXY6MB36EG4YXIL6SWVGKZIIH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2QXY6MB36EG4YXIL6SWVGKZIIH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:2QXY6MB36EG4YXIL6SWVGKZIIH","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"7d892b0bdc813767c39cccd207476648a3abaeb573c0ceeb8c98607ddf0986f7","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2024-01-22T07:10:06Z","title_canon_sha256":"138dcc0fc8e8d80915dff741a8ff508ea7c26c0feaf3dd65b95079b5afdef025"},"schema_version":"1.0","source":{"id":"2401.11728","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.11728","created_at":"2026-07-05T09:11:24Z"},{"alias_kind":"arxiv_version","alias_value":"2401.11728v2","created_at":"2026-07-05T09:11:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.11728","created_at":"2026-07-05T09:11:24Z"},{"alias_kind":"pith_short_12","alias_value":"2QXY6MB36EG4","created_at":"2026-07-05T09:11:24Z"},{"alias_kind":"pith_short_16","alias_value":"2QXY6MB36EG4YXIL","created_at":"2026-07-05T09:11:24Z"},{"alias_kind":"pith_short_8","alias_value":"2QXY6MB3","created_at":"2026-07-05T09:11:24Z"}],"graph_snapshots":[{"event_id":"sha256:037f1c7fdd389465b835d19fa77a191ea3849a716cd79fedeb1c894fab07726b","target":"graph","created_at":"2026-07-05T09:11:24Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2401.11728/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"CHIPS (CHerenkov detectors In mine PitS) was a prototype large-scale water Cherenkov detector located in northern Minnesota. The main aim of the R&D project was to demonstrate that construction costs of neutrino oscillation detectors could be reduced by at least an order of magnitude compared to other equivalent experiments. This article presents design features of the CHIPS detector along with details of the implementation and deployment of the prototype. While issues during and after the deployment of the detector prevented data taking, a number of key concepts and designs were successfully ","authors_text":"A. Giraudo, A. Habig, A. Holin, A. Karle, A. Kreymer, A. Perch, A. Radovic, A. Sousa, B. Alonso Rancurel, B. Bergmann, C. Ng, C. Wendt, D. A. Loving, D. Hanuska, D. van Eijk, D. Wendt, E. Catano-Mur, G. Augustoni, G. Kileff, G. M. LaFond, H. Hausner, I. Safa, J. A. B. Coelho, J. Edmondson, J. Huang, J. K. Nelson, J. P. Cesar, J. P. Lazar, J. R. Meier, J. Thomas, J. Tingey, J. Trokan-Tenorio, K. Lang, K. Liu, K. Rawlins, K. R. Jenkins, L. H. Whitehead, L. Rogers, M. Campbell, M. L. Marshak, M. M. Pf\\\"utzner, N. Angelides, N. Bertschinger, P. Bizouard, P. Dills, P. Kooijman, P. M\\'anek, P. Roedl, P. Vahle, Q. Fetterly, R. Castellan, R. J. Nichol, R. Li, R. Wade, S. Bash, S. B. Jones, S. Cao, S. Germani, S. Wolcott, T. Dodwell, T. Gilpin, T. J. Carroll, T. Yuan, V. Paolone, W. Miller, W. Y. Hernandez, Z. Garbal","cross_cats":["hep-ex"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2024-01-22T07:10:06Z","title":"The Design and Construction of the Chips Water Cherenkov Neutrino Detector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.11728","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:6c6015f7e10a533da8a0fd89bea3f94c52b75747ed3c60ef0f7c707d2ab43df8","target":"record","created_at":"2026-07-05T09:11:24Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"7d892b0bdc813767c39cccd207476648a3abaeb573c0ceeb8c98607ddf0986f7","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2024-01-22T07:10:06Z","title_canon_sha256":"138dcc0fc8e8d80915dff741a8ff508ea7c26c0feaf3dd65b95079b5afdef025"},"schema_version":"1.0","source":{"id":"2401.11728","kind":"arxiv","version":2}},"canonical_sha256":"d42f8f303bf10dcc5d0bf4ad532b2841fb5382ad03664dcdb2a03652ab627514","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d42f8f303bf10dcc5d0bf4ad532b2841fb5382ad03664dcdb2a03652ab627514","first_computed_at":"2026-07-05T09:11:24.002706Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:11:24.002706Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K9DgM16kmSbn9hGUYGhVAFYl3G/JajCsA2aK4LVay9N6IQz5BiTFmRdF13yHkqjlaEKVxbiaOPSi95N8QmkuBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:11:24.003349Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.11728","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c6015f7e10a533da8a0fd89bea3f94c52b75747ed3c60ef0f7c707d2ab43df8","sha256:037f1c7fdd389465b835d19fa77a191ea3849a716cd79fedeb1c894fab07726b"],"state_sha256":"2f878182acd618716eebd099a7b3c166d9c9240b2f640cd4dc962e58765704fa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mxbuWy8wn0TdEaCzQVMwOMVqh1/HPwkP+EME8seA5IDU0K2NCyBKSD1EEr5L2a/VouqPwC64KrOWkQBYntRHBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T06:10:24.355494Z","bundle_sha256":"56bd7311c35726f95448faaf973edd5761d17bdfc48e853bd65dea3e2ddd38d6"}}